SEO and Search Engine

In this article I will explain the importance of the
search engine while doing SEO work. Since in SEO we are using search engine to
promote our website, so understanding the search engine details like which
search engine is most important, how to get indexed in the search etc. is vital
for any SEO. In this section we will compare important search engines.

What is Search Engine?

Search engine is a computer program for searching the
documents for specified keywords and displaying the documents that matches the
keyword. These days search engines operators on the Internet and it create the
index of the web sites available on the internet. Anyone can visit the search
engine and search the information.

Search engines is complex program which consist many
subprograms to perform the specific functions. These subprograms are:

Crawler
Crawler is also known as spider, it is responsible for getting the pages
from the web and storing into repository

Indexer
Indexer reads the pages from the repository, reads the content of the page
and then adds the page into search engine index.

Search interface
Search interface provides the user friendly view to search the web pages
from the search engine repository. When use specifies the keywords it
searches the page from the index and depending on the relevancy it displays
the results in the search result page.

Best Search Engine

Google.com: Google is the probably the largest search
engine.

Yahoo.com: Yahoo is also a big search engine but is
appears to be not as large as google.

Teoma.com: Its is also a large search engine.

Earlier Yahoo was once considered as the best
search engine on the internet. Yahoo was controlling much of the market of not only search, but also news, shopping, and most other aspects that have grown on the internet.
As of now, Yahoo has seemed to have fallen off at least in the realm of search
technology. Now ad days the search engine leader is Google, with many services
like image search, email, chat, bogglers etc.